[time-nuts] Re: Power line timing -- setting a clock

[GEO Badger]

 They also used light bulbs. When they were dark, the phases matched.
Many went to a synchroscope.https://en.wikipedia.org/wiki/Synchroscope
I have a hertz meter in my shack. It measures between 55 - 65 Hz with divisions of 5 that are pretty widely spaced.
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